From Wikipedia, the free encyclopedia. A mucous membrane or mucosa (plural, mucosae or mucosas; Latin tunica mucosa) is a lining of mostly endodermal origin. It consists of an epithelium (a layer, or layers of epithelial cells) and an underlying lamina propria of loose connective tissue.f the lining is torn or broken, mucus is incapable of performing its roles of preventing infection and retaining tissue moisture levels. In the female, the glans clitoridis and the clitoral hood have mucous membranes.
What is the difference between RA(Registration Authority) and CA(Certifying Authority)? RA interacts with the subscribers for providing CA services. The RA is subsumed in the CA, which takes total responsibility for all actions of the RA.
Types of Operating Authority. Please note: Beginning December 12, 2015, OP-series forms can ONLY be used to apply for additional authorities, not for initial registration with FMCSA. First-time applicants will be required to use the Unified Registration System. For more information about URS, or to apply for the first time, click here. The type(s) of Operating Authority requested will impact the type and level of insurance that is required by FMCSA. Therefore, carefully select only the type(s) of Operating Authority relevant to the business and read the instructions before filing. FMCSA does not refund application fees. An authorized for-hire Motor Carrier that transports regulated commodities (except household goods) for the general public in exchange for payment.